In mlflow/mlflow version 2.17.2, the /graphql endpoint is vulnerable to a denial of service attack. An attacker can create large batches of queries that repeatedly request all runs from a given experiment. This can tie up all the workers allocated by MLFlow, rendering the application unable to respond to other requests. This vulnerability is due to uncontrolled resource consumption.
CVE-2025-0453
Score 5.9 from GitHub Security Advisory published 2025-03-20. NVD baseline CVSS 7.5; sources differ by 1.6.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 5.9(medium)
- EPSS
- 40.8%
- KEV
- Not listed
Published
March 20, 2025
Last Modified
October 15, 2025
References (2)
- security@huntrhttps://huntr.com/bounties/788327ec-714a-4d5c-83aa-8df04dd7612b
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://huntr.com/bounties/788327ec-714a-4d5c-83aa-8df04dd7612b
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| pip | mlflow | — | ghsa |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| mlflow | 0.0.1 ... 2.9.2 (116 versions) | — | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:07 UTCEPSS rescore
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- 2026-07-07 06:51 UTCOSV refresh
- 2026-07-06 16:26 UTCEPSS rescore
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- 2026-06-18 18:05 UTCOSV refresh
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- 2026-05-31 00:16 UTCEPSS rescore
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- 2026-05-30 09:07 UTCEG score recompute
- 2026-05-30 09:07 UTCGHSA enrichment
- 2026-05-29 21:50 UTCOSV refresh
- 2026-05-29 13:43 UTCEPSS rescore
Frequently asked(5)
What is CVE-2025-0453?
When was CVE-2025-0453 disclosed?
Is CVE-2025-0453 actively exploited?
What is the CVSS score of CVE-2025-0453?
How do I remediate CVE-2025-0453?
Dependency Blast Radius
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